Mediumship dates back to the Greek Oracles and beyond, but millennia later nobody yet knows for certain what transpires when a medium enters a deep trance. Today, the practice of channeling spirit guides through hypnotized mediums is hotly debated. This strange phenomenon is either dismissed as a dubious parlor trick, or regarded as a form of communication between this world and the next. Many view "the guides" as a source of love and wisdom...but are they? For five years, Joe Fisher painstakingly investigated the claims of channelers and the mysterious voices that speak through them. The Siren Call of Hungry Ghosts is his gripping journey into a realm of darkness and deception.